Update global_dictionary.yaml with TCP attributes (#139)
Update global_dictionary.yaml with TCP attributes (#139)

To support TCP policy and telemetry, we are adding the following attributes to the global list:

- connection.id
- connection.received.bytes
- connection.received.bytes_total
- connection.sent.bytes
- connection.sent.bytes_total
- connection.duration
- context.protocol
- context.timestamp
istio/api,istio/api,cloudfoundry-attic/api,rshriram/api,istio/api,geeknoid/api,cloudfoundry-attic/api,geeknoid/api,geeknoid/api,geeknoid/api,rshriram/api,cloudfoundry-attic/api,cloudfoundry-attic/api,cloudfoundry-attic/api,rshriram/api,istio/api